<html>
    <head>
        <meta charset="utf-8">
        <title>chat</title>
    </head>
    <body>
        <h1>chat</h1>
        <form action="{{ url_for('.enter') }}" method="POST">
            <input type=text name="name" placeholder="昵称">
            <button>进入聊天室</button>
        </form>
    </body>
</html>
